GB2559112B - Holographic projector - Google Patents

Holographic projector

Info

Publication number
GB2559112B
GB2559112B GB1620538.7A GB201620538A GB2559112B GB 2559112 B GB2559112 B GB 2559112B GB 201620538 A GB201620538 A GB 201620538A GB 2559112 B GB2559112 B GB 2559112B
Authority
GB
United Kingdom
Prior art keywords
holographic projector
holographic
projector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1620538.7A
Other versions
GB201620538D0 (en
GB2559112A (en
Inventor
Christmas Jamieson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dualitas Ltd
Original Assignee
Dualitas Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dualitas Ltd filed Critical Dualitas Ltd
Priority to GB1620538.7A priority Critical patent/GB2559112B/en
Publication of GB201620538D0 publication Critical patent/GB201620538D0/en
Priority to PCT/GB2017/053636 priority patent/WO2018100395A1/en
Priority to ES17817032T priority patent/ES2730558T3/en
Priority to EP17817031.2A priority patent/EP3408709A1/en
Priority to EP23190326.1A priority patent/EP4246244A3/en
Priority to PCT/GB2017/053638 priority patent/WO2018100397A1/en
Priority to JP2019529169A priority patent/JP6860669B2/en
Priority to CN201780074459.8A priority patent/CN110050235B/en
Priority to PCT/GB2017/053635 priority patent/WO2018100394A1/en
Priority to EP17817033.8A priority patent/EP3408711B1/en
Priority to PL17817032T priority patent/PL3408710T3/en
Priority to KR1020197017570A priority patent/KR102088199B1/en
Priority to EP17817032.0A priority patent/EP3408710B1/en
Publication of GB2559112A publication Critical patent/GB2559112A/en
Application granted granted Critical
Publication of GB2559112B publication Critical patent/GB2559112B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0486—Improving or monitoring the quality of the record, e.g. by compensating distortions, aberrations
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0808—Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
    • G03H2001/0825—Numerical processing in hologram space, e.g. combination of the CGH [computer generated hologram] with a numerical optical element
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/221—Element having optical power, e.g. field lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/2213—Diffusing screen revealing the real holobject, e.g. container filed with gel to reveal the 3D holobject
    • G03H2001/2215—Plane screen
    • G03H2001/2218—Plane screen being perpendicular to optical axis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject
    • G03H2001/2247—Means for detecting or recording the holobject for testing the hologram or holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G03H2001/2252—Location of the holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G03H2001/2263—Multicoloured holobject
    • G03H2001/2271—RGB holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/20—2D object
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/10—Spectral composition
    • G03H2222/17—White light
    • G03H2222/18—RGB trichrome light
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/60—Multiple SLMs
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2226/00—Electro-optic or electronic components relating to digital holography
    • G03H2226/11—Electro-optic recording means, e.g. CCD, pyroelectric sensors
    • G03H2226/13—Multiple recording means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2240/00—Hologram nature or properties
    • G03H2240/50—Parameters or numerical values associated with holography, e.g. peel strength
    • G03H2240/51—Intensity, power or luminance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Holo Graphy (AREA)
GB1620538.7A 2016-12-02 2016-12-02 Holographic projector Active GB2559112B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GB1620538.7A GB2559112B (en) 2016-12-02 2016-12-02 Holographic projector
EP17817031.2A EP3408709A1 (en) 2016-12-02 2017-12-01 Holographic projector
PL17817032T PL3408710T3 (en) 2016-12-02 2017-12-01 Holographic projector
PCT/GB2017/053636 WO2018100395A1 (en) 2016-12-02 2017-12-01 Holographic projector
EP23190326.1A EP4246244A3 (en) 2016-12-02 2017-12-01 Holographic projector
PCT/GB2017/053638 WO2018100397A1 (en) 2016-12-02 2017-12-01 Holographic projector
JP2019529169A JP6860669B2 (en) 2016-12-02 2017-12-01 Holographic projector
CN201780074459.8A CN110050235B (en) 2016-12-02 2017-12-01 Holographic projector
PCT/GB2017/053635 WO2018100394A1 (en) 2016-12-02 2017-12-01 Holographic projector
EP17817033.8A EP3408711B1 (en) 2016-12-02 2017-12-01 Holographic projector
ES17817032T ES2730558T3 (en) 2016-12-02 2017-12-01 Holographic projector
KR1020197017570A KR102088199B1 (en) 2016-12-02 2017-12-01 Holographic projector
EP17817032.0A EP3408710B1 (en) 2016-12-02 2017-12-01 Holographic projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1620538.7A GB2559112B (en) 2016-12-02 2016-12-02 Holographic projector

Publications (3)

Publication Number Publication Date
GB201620538D0 GB201620538D0 (en) 2017-01-18
GB2559112A GB2559112A (en) 2018-08-01
GB2559112B true GB2559112B (en) 2019-05-01

Family

ID=58159588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1620538.7A Active GB2559112B (en) 2016-12-02 2016-12-02 Holographic projector

Country Status (1)

Country Link
GB (1) GB2559112B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2580696B (en) * 2019-01-25 2022-04-27 Dualitas Ltd A method for a holographic projector
GB2580441B (en) 2019-03-14 2022-03-16 Dualitas Ltd Laser modulation
GB2587245B (en) * 2019-12-18 2022-03-16 Envisics Ltd Holographic image alignment
GB2598088B (en) * 2020-08-05 2022-08-24 Envisics Ltd Holographic fingerprint
GB2599436B (en) * 2020-10-02 2022-10-26 Envisics Ltd Holographic projection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5798864A (en) * 1994-03-24 1998-08-25 Olympus Optical Co., Ltd. Projection type image display apparatus
US6729541B1 (en) * 1998-07-01 2004-05-04 Nippon Telegraph & Telephone Corporation Information reading apparatus and information recording medium
US20090147330A1 (en) * 2004-10-13 2009-06-11 Manabu Seo Laser processing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5798864A (en) * 1994-03-24 1998-08-25 Olympus Optical Co., Ltd. Projection type image display apparatus
US6729541B1 (en) * 1998-07-01 2004-05-04 Nippon Telegraph & Telephone Corporation Information reading apparatus and information recording medium
US20090147330A1 (en) * 2004-10-13 2009-06-11 Manabu Seo Laser processing apparatus

Also Published As

Publication number Publication date
GB201620538D0 (en) 2017-01-18
GB2559112A (en) 2018-08-01

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